flymis/WebRoot/dojojs/src/uuid/NilGenerator.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.uuid.NilGenerator");

dojo.uuid.NilGenerator = new function() {
	this.generate = function(/* constructor? */ returnType) {
		// summary: 
		//   This function returns the Nil UUID: "00000000-0000-0000-0000-000000000000".
		// description: 
		//   The Nil UUID is described in section 4.1.7 of
		//   RFC 4122: http://www.ietf.org/rfc/rfc4122.txt
		// returnType: The type of object to return. Usually String or dojo.uuid.Uuid

		// examples: 
		//   var string = dojo.uuid.NilGenerator.generate();
		//   var string = dojo.uuid.NilGenerator.generate(String);
		//   var uuid   = dojo.uuid.NilGenerator.generate(dojo.uuid.Uuid);
		var returnValue = "00000000-0000-0000-0000-000000000000";
		if (returnType && (returnType != String)) {
			returnValue = new returnType(returnValue);
		}
		return returnValue; // object
	};
}();